The January/February 2007 issue of Academe, the journal of the American Association of University Professors, features an article by a college teacher named Alvin Saperstein, of Wayne State University, about how his introductory astronomy and physics courses are attracting many young-earth creationists. These may be very good students, but they frustrate him because he cannot convince them that the universe and all it contains, including our planet, came into existence in a natural evolutionary process over billions of years, rather than in the six days of creation a few thousand years ago, as creationists calculate from the literal words of...